Contact Mount Sinai South Nassau

At Mount Sinai South Nassau, we want to help you find the information you need. Here are the phone numbers of departments that can help.

Patient Care

• Main Number/General Information:  516-632-3000
• Billing: 516-255-1680
• Emergency Department at Oceanside: 516-632-3000
• Emergency Department at Long Beach: 516-870-1010
• Language and Translation Services: 516-632-3484
• Patient Advocates: 516-632-3414
• Patient Information: 516-632-3940
• Patient Relations: 516-632-3414
• Physician Referral: 800-TO-SINAI (800-867-4624)
• Registration (Inpatient) : 516-632-3901
• Registration (Maternity): 516-632-3901
• Registration (Outpatient): 516-632-3991
• Sexual Assault and Violence Intervention Program: 212-423-2140
• Social Services: 516-632-3925
• Spiritual Care: 516-632-4586

Business Offices

• Billing: 516-255-1680
• Community Education and Relations: 516-377-5370
• Development Office: 516-377-5360 
• Financial Assistance: 516-632-3979
• Medical Records: 516-632-4531 or 516-632-3907
• Media Inquiries: Business Hours: 516-377-5370, Off-Hours: 516-632-3000
• Volunteer Services: 516-632-3707